GB197538A - Improvements in and relating to liquid level gauges and the like - Google Patents

Improvements in and relating to liquid level gauges and the like

Info

Publication number
GB197538A
GB197538A GB1332622A GB1332622A GB197538A GB 197538 A GB197538 A GB 197538A GB 1332622 A GB1332622 A GB 1332622A GB 1332622 A GB1332622 A GB 1332622A GB 197538 A GB197538 A GB 197538A
Authority
GB
United Kingdom
Prior art keywords
illumination
liquid level
gauge
window
optical
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1332622A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MAURICE BERNON
Ronald Trist and Co Ltd
Original Assignee
MAURICE BERNON
Ronald Trist and Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by MAURICE BERNON, Ronald Trist and Co Ltd filed Critical MAURICE BERNON
Priority to GB1332622A priority Critical patent/GB197538A/en
Publication of GB197538A publication Critical patent/GB197538A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/02Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by gauge glasses or other apparatus involving a window or transparent tube for directly observing the level to be measured or the level of a liquid column in free communication with the main body of the liquid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm
    • G01F23/22Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/28Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm by measurement of physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electric or acoustic waves applied directly to the liquid or fluent solid material
    • G01F23/284Electromagnetic waves
    • G01F23/292Light, e.g. infra-red or ultra-violet

Abstract

197,538. Trist & Co., Ltd., R., and Bernon, M. May 11, 1922. Gauge glasses.-In a device for illuminating the gauge glasses of liquid level indicators, the illuminant e.g. an electric light j, Fig. 1, is enclosed within a casing l provided with a window f so arranged that the light rays are projected upwards through the indicating liquid contained in the glass a and emerge at the meniscus m which is illuminated, in contrast with the exterior of the gauge glass which is entirely unilluminated. In modifications, the window is replaced or supplemented by a lens or reflector to secure increased local illumination, or an optical element may be employed to enable the source of illumination to be disposed at right-angles to the column of liquid. In other forms the light rays are transmitted from an exterior source of illumination by way of suitable optical elements such as mirrors, prisms and lenses.
GB1332622A 1922-05-11 1922-05-11 Improvements in and relating to liquid level gauges and the like Expired GB197538A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1332622A GB197538A (en) 1922-05-11 1922-05-11 Improvements in and relating to liquid level gauges and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1332622A GB197538A (en) 1922-05-11 1922-05-11 Improvements in and relating to liquid level gauges and the like

Publications (1)

Publication Number Publication Date
GB197538A true GB197538A (en) 1923-05-17

Family

ID=10020892

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1332622A Expired GB197538A (en) 1922-05-11 1922-05-11 Improvements in and relating to liquid level gauges and the like

Country Status (1)

Country Link
GB (1) GB197538A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514570A (en) * 1949-12-31 1950-07-11 Nathan Mfg Co Liquid level gauge
US2933376A (en) * 1957-01-28 1960-04-19 Roger W Mcbrien Titration apparatus
US3045495A (en) * 1959-10-26 1962-07-24 Sidney Davis Liquid measuring container

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2514570A (en) * 1949-12-31 1950-07-11 Nathan Mfg Co Liquid level gauge
US2933376A (en) * 1957-01-28 1960-04-19 Roger W Mcbrien Titration apparatus
US3045495A (en) * 1959-10-26 1962-07-24 Sidney Davis Liquid measuring container

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